Fixes and general progress

app/controllers/xrd_controller.rb

app/helpers/application_helper.rb

app/helpers/routing_helper.rb

app/models/account.rb

app/models/follow.rb

app/models/status.rb

app/models/stream_entry.rb

app/models/user.rb

app/services/follow_remote_account_service.rb

app/services/follow_service.rb

app/views/atom/user_stream.xml.ruby

app/views/xrd/webfinger.xml.ruby

config/application.rb

config/environments/development.rb

config/initializers/ostatus.rb